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the interaction circuit being a helix or a helix-derived slow-wave structure

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  • H01J23/42
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HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J23/00Details of transit-time tubes of the types covered by group H01J25/00

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H01J23/42the interaction circuit being a helix or a helix-derived slow-wave structure
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Electron beam tube output arrangement
    • Patent number 7,218,053
    • Issue date May 15, 2007
    • E2V Technologies (UK) Limited
    • Darrin Bowler
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Traveling wave tube system with output waveguide-coupler termination
    • Patent number 6,483,242
    • Issue date Nov 19, 2002
    • Hughes Electronics Corp.
    • Robert T. Benton
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Plasma-assisted tube with helical slow-wave structure
    • Patent number 5,668,442
    • Issue date Sep 16, 1997
    • Hughes Electronics
    • Dan M. Goebel
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum-tight window for microwave electron tube and travelling wave...
    • Patent number 5,004,952
    • Issue date Apr 2, 1991
    • Thomson-CSF
    • Jacques Tikes
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Travelling wave tube provided with an impervious coupling device be...
    • Patent number 4,985,659
    • Issue date Jan 15, 1991
    • Thomson-CSF
    • Jacques Tikes
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Wide band device for coupling between the delay line of a travellin...
    • Patent number 4,871,950
    • Issue date Oct 3, 1989
    • Thomson-CSF
    • Jean C. Kuntzmann
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Helical waveguide to rectangular waveguide coupler
    • Patent number 4,851,736
    • Issue date Jul 25, 1989
    • Raytheon Company
    • Robert Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High efficiency split flow turbine for compressible fluids
    • Patent number 4,165,949
    • Issue date Aug 28, 1979
    • Groupe Europeen pour la Technique des Turbines a Vapeur G.E.T.T.
    • Gilbert Riollet
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3535580
    • Patent number 3,535,580
    • Issue date Oct 20, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3292032
    • Patent number 3,292,032
    • Issue date Dec 13, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3290544
    • Patent number 3,290,544
    • Issue date Dec 6, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3258640
    • Patent number 3,258,640
    • Issue date Jun 28, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3239713
    • Patent number 3,239,713
    • Issue date Mar 8, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3114857
    • Patent number 3,114,857
    • Issue date Dec 17, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3076156
    • Patent number 3,076,156
    • Issue date Jan 29, 1963
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3062983
    • Patent number 3,062,983
    • Issue date Nov 6, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3026445
    • Patent number 3,026,445
    • Issue date Mar 20, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3010048
    • Patent number 3,010,048
    • Issue date Nov 21, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3007076
    • Patent number 3,007,076
    • Issue date Oct 31, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2991391
    • Patent number 2,991,391
    • Issue date Jul 4, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2987644
    • Patent number 2,987,644
    • Issue date Jun 6, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2979636
    • Patent number 2,979,636
    • Issue date Apr 11, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2918593
    • Patent number 2,918,593
    • Issue date Dec 22, 1959
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2917655
    • Patent number 2,917,655
    • Issue date Dec 15, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2911599
    • Patent number 2,911,599
    • Issue date Nov 3, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2908843
    • Patent number 2,908,843
    • Issue date Oct 13, 1959
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2890370
    • Patent number 2,890,370
    • Issue date Jun 9, 1959
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2890371
    • Patent number 2,890,371
    • Issue date Jun 9, 1959
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2871392
    • Patent number 2,871,392
    • Issue date Jan 27, 1959
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2869082
    • Patent number 2,869,082
    • Issue date Jan 13, 1959
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Electron beam tube output arrangement
    • Publication number 20060158139
    • Publication date Jul 20, 2006
    • E2V TECHNOLOGIES (UK) LIMITED
    • Darrin Bowler
    • H01 - BASIC ELECTRIC ELEMENTS